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 Food Factory Field Trip Old Picture |
Saturday, May 28, 2011
Non O157 E coli STEC - non 0157 infection - HUS E. coli - Lawyer and Lawsuit
Non O157 E coli STEC - non 0157 infection - HUS E. coli - Lawyer and Lawsuit
Saturday, May 7, 2011
Questions from students
TOXINS:
One should be careful when consulting Wikipedia. Look up Google and get the definitions yourself:
Enterotoxin: http://medical-dictionary.thefreedictionary.com/enterotoxin
Endotoxin: http://medical-dictionary.thefreedictionary.com/endotoxin
Questions from students
Q: I would like to ask:
1. The major difference between aerobic and anaerobic ( and also
fermentation)respiration is that the aerobic respiration use external electron
acceptor e.g. oexgyen or other chemicals, while the latter 2 reactions use
internal acceptor?
2. Is incubation time equal to latent period?
3. Mold and yeast are both fungi and so both have cell walls. Do they have very
similar heat resistance?
1. The major difference between aerobic and anaerobic ( and also
fermentation)respiration is that the aerobic respiration use external electron
acceptor e.g. oexgyen or other chemicals, while the latter 2 reactions use
internal acceptor?
2. Is incubation time equal to latent period?
3. Mold and yeast are both fungi and so both have cell walls. Do they have very
similar heat resistance?
A:
- aerobic--air, i.e. oxygen; anaerobic, no air, i.e. no oxygen. Fermentation--no external electron acceptor.
- No
- Yes, similar. But there are many different kinds of fungi and yeasts. And we have to consider the differences between vegetative cells and spores.
Q: Are the pages 93-117 in the notes included in the exam?
A: Yes
Questions from students
Q: I am wondering the difference between the roles of CFS and Center of Health Protection(CHP) in response to an outbreak, which is questioned by Dr. Mak. However, very limited info. was found on the Internet. May you help?
A: My understanding: CFS is the main unit in FEHD for food safety. In outbreak reponses, CFS will collect food samples, data of the meals, number and type of people affected, premises inspection, etc. Mainly deal with foods and consumers and places. CHP will look at the symptoms of people affected, analyse the type of microbes or toxins from the food and patiens--lab tests, such as microbiological tests and toxin analysis. CHP will also analyze the outbreak with epidemiological approaches. There are much operational and coordinational details which I do not have full information. Maybe we can add this topic for presentation next year.
Questions from students
Q: I am a student from FNS yr2, and I would like to ask there are some protozoan like Giardia lamblia, and fungal toxin likeClaviceps purpurea
in the notes. However, we did not go through these during the lecture so are they included in the final exam?
in the notes. However, we did not go through these during the lecture so are they included in the final exam?
A: If they were not covered, they are not included in the exam.
Friday, May 6, 2011
Emerging Food Borne pathogens link
- Prof. Kwan In lecture, u have mentioned a word file of Emerging Food Borne pathogens, but we cannot find in webct, so will it be covered in the exam? :)
- May 6, 2011 2:04 PM
Thursday, May 5, 2011
Second Review Session
Review Session--Dates, times and venue
6/5 Fri 10:30am--12:15pm
Venue: SC L3
Venue: SC L3
Bring your questions and we can discuss them in detail.
Monday, May 2, 2011
Sunday, May 1, 2011
Asking questions
Ask your questions here on this blog, in the comments of this section, so everyone can see and I can answer them on the blog.
Some Q & A on Final Examination
Answers to questions from one of you:
Q: Firstly, what is the format of the final exam? (MC, SQ, essay?)
A: MC, SQ, essay--all
Q: Secondly, for the content for final exam, it is a bit unclear as some topics are on the notes like the part of 'controversial preservation' 'legal consideration and food programs' but not discussed in lecture.Also, the fermentation part which is introductory in class but is in detailed information in notes. Should it all be included in the final exam or not?
A: All topics that have been covered in class. Notes certainly cover more information. I can not talk about all the details in class. I can only highlight some important points in the lactures.
Q: Thirdly, the content of pastpapers are rather deviated from our syllabus and may I sincerely ask is there is a siginficant change in syllabus only but not examining the lab skills as well? (e.g. SPC, spread/pour plate etc.)
A: One of the teachers has changed this year. So materials are different from last year. Syllabus this year is different from last year. Topics not covered in lectures will not appear in the final examination.
Q: Firstly, what is the format of the final exam? (MC, SQ, essay?)
A: MC, SQ, essay--all
Q: Secondly, for the content for final exam, it is a bit unclear as some topics are on the notes like the part of 'controversial preservation' 'legal consideration and food programs' but not discussed in lecture.Also, the fermentation part which is introductory in class but is in detailed information in notes. Should it all be included in the final exam or not?
A: All topics that have been covered in class. Notes certainly cover more information. I can not talk about all the details in class. I can only highlight some important points in the lactures.
Q: Thirdly, the content of pastpapers are rather deviated from our syllabus and may I sincerely ask is there is a siginficant change in syllabus only but not examining the lab skills as well? (e.g. SPC, spread/pour plate etc.)
A: One of the teachers has changed this year. So materials are different from last year. Syllabus this year is different from last year. Topics not covered in lectures will not appear in the final examination.
Review Sessions--Dates, times and venue
4/5 Wed 10:30am--12:15pm
6/5 Fri 10:30am--12:15pm
Venue: Both in SC L3
6/5 Fri 10:30am--12:15pm
Venue: Both in SC L3
Bring your questions and we can discuss them in detail.
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